The wingspan is 9–10 mm. The forewings are glossy black with two conspicuous cream-colored spots. The first one has the form of a short triangular dash on the outer third of the costa, while the other is an irregular spot of about the same size on the dorsum just beyond the middle. The hindwings are smoky fuscous.[4]
^Stations., Association of American Agricultural Colleges and Experiment; Universities., Association of Land-Grant Colleges and; Colleges., Association of Land-Grant; States, United. "Journal of agricultural research". 20, 1920–1921. Retrieved 23 November 2017. {{cite journal}}: Cite journal requires |journal= (help) This article incorporates text from this source, which is in the public domain.